The US military has successfully flown hypersonics before
Yes they have but only air launched. Incredibly they claim to have air launched a hypersonic boost / glide vehicle that maintained above Mach 5 that was controlled all the way into it’s target. The HBGV part is interesting but the remote control at above Mach 5 is shocking if you know enough physics. Wish I could find the article on this test again.
But, if they were going to test something like that, Canaveral wouldn’t be the best place to do that.